Re: [EVGRAY] Interesting Patent: Tesla

Body

Gerry,

Can you please provide the Tesla patent or writings that led you to the
use of a magnetic flux shield to outsmart Lenz?


On 10/8/2018 8:27 AM, Gerry [email protected] [EVGRAY] wrote:
>  
> Hi Mick & guys,
> Thanks for the responses all.
> Today I tried higher power levels at 50Hz with up to 42.8W input 
> giving just 18W output.
> My inadequate florist wire windings with not enough layers quickly
> saturate.... it could be better.
>
> Just wanted to show Tesla's idea.... in a properly designed
> transformer it seems very neat way to avoid Lenz effect.
> The Lenz flux coming back from the secondary seems to rout itself
> around the outside of the primary coil, 
>  through the florist soft wire shield rather than back into the
> primary coil itself (up to a point).
>
> It seems a useful tool to have in our armoury & could help with other
> designs bi toroidal Heinz Thane etc.
> By shielding the input coil I mean.
>
> Thanks for suggesting the approach Lutz if you're out there.
> Gerry
>
> On Tue, Oct 9, 2018 at 1:56 AM Mick [email protected]
> <mailto:[email protected]> [EVGRAY] <[email protected]
> <mailto:[email protected]>> wrote:
>
>
>
>     Excellent work Gerry, thanks for the information!
>
>
>     On 10/7/2018 9:16 AM, Gerry [email protected]
>     <mailto:[email protected]> [EVGRAY] wrote:
>>      
>>     Hi Kone guys,
>>     I made up a rough version of the Tesla idea using a primary
>>     winding off an old Microwave Oven Transformer (MOT).
>>     Wrapped the winding with some painted florist wire ...which took
>>     a while.
>>
>>     Made some measurements at low power only (so far).
>>     Have attached some pics.
>>     There is a huge improvement meaning reduction in the change of
>>     phase angle (Cos phi) measuring from off load to on load.
>>     Which implies the primary doesn't "see" the complete load on the
>>     secondary.
>>     Tesla's idea seems very good.
>>
>>     On test my simple transformer consumed 0.142 W of wasted power at
>>     50Hz with no load ...Cos phi phase corrected.
>>     On 10 Ohms load transformer consumes 0.182 W of total power...
>>     Cos phi corrected
>>
>>     Output power into 10 Ohm load was 50.8 mW
>>
>>     But total increase into transformer was only 39.3 mW so we're
>>     getting about 30% more output than the change of input.
>>     Will try at higher power levels but need caution when doing this
>>     part.
>>
>>     Gerry
>>
>>
>>     On Mon, Oct 8, 2018 at 12:26 AM [email protected]
>>     <mailto:[email protected]> [EVGRAY] <[email protected]
>>     <mailto:[email protected]>> wrote:
>>
>>         Hi Gerry
>>         Wow 200,000 times better than air, 40 times better than soft
>>         iron...i wonder igbthid hydrogen annealled pure iron is
>>         available to public
>>         ....also I wonder just what exactly "better" is such as how
>>         the amount of flux it can carry but also I wonder about
>>         speed  of saturation and the latching and Dr latching speed,
>>         also maybe this stuff gets super hot very quick against
>>         neodymium magnets....might make for a good water heater if
>>         hollow pipes or chamber...
>>         Kone
>>
>>
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